introgression
/ˌɪntrəʊˈgreʃən/noun
mass noun
- Biology the transfer of genetic information from one species to another as a result of hybridization between them and repeated backcrossing【生】渐渗现象, 基因渗入。
派生词
introgressive
adjective词源
mid 17th cent.: from Latin introgredi 'step in'， from intro- 'to the inside' + gradi 'proceed， walk'， on the pattern of egression, ingression.